chore: prefer int64 to int (#10)

pkg/jsonpath/parser.go

@@ -8,7 +8,7 @@ import (
 	"strings"
 )
 
-const MaxSafeFloat = 9007199254740991
+const MaxSafeFloat int64 = 9007199254740991
 
 type mode int
 
@@ -209,14 +209,14 @@ func (p *JSONPath) parseSelector() (retSelector *selector, err error) {
 		if err != nil {
 			return nil, p.parseFailure(&p.tokens[p.current], "expected an integer")
 		}
-		err = p.checkSafeInteger(int(i), lit)
+		err = p.checkSafeInteger(i, lit)
 		if err != nil {
 			return nil, err
 		}
 
 		p.current++
 
-		return &selector{kind: selectorSubKindArrayIndex, index: int(i)}, nil
+		return &selector{kind: selectorSubKindArrayIndex, index: i}, nil
 	} else if p.tokens[p.current].Token == token.ARRAY_SLICE {
 		slice, err := p.parseSliceSelector()
 		if err != nil {
@@ -232,12 +232,12 @@ func (p *JSONPath) parseSelector() (retSelector *selector, err error) {
 
 func (p *JSONPath) parseSliceSelector() (*slice, error) {
 	// slice-selector = [start S] ":" S [end S] [":" [S step]]
-	var start, end, step *int
+	var start, end, step *int64
 
 	// parse the start index
 	if p.tokens[p.current].Token == token.INTEGER {
 		literal := p.tokens[p.current].Literal
-		i, err := strconv.Atoi(literal)
+		i, err := strconv.ParseInt(literal, 10, 64)
 		if err != nil {
 			return nil, p.parseFailure(&p.tokens[p.current], "expected an integer")
 		}
@@ -259,7 +259,7 @@ func (p *JSONPath) parseSliceSelector() (*slice, error) {
 	// parse the end index
 	if p.tokens[p.current].Token == token.INTEGER {
 		literal := p.tokens[p.current].Literal
-		i, err := strconv.Atoi(literal)
+		i, err := strconv.ParseInt(literal, 10, 64)
 		if err != nil {
 			return nil, p.parseFailure(&p.tokens[p.current], "expected an integer")
 		}
@@ -277,7 +277,7 @@ func (p *JSONPath) parseSliceSelector() (*slice, error) {
 		p.current++
 		if p.tokens[p.current].Token == token.INTEGER {
 			literal := p.tokens[p.current].Literal
-			i, err := strconv.Atoi(literal)
+			i, err := strconv.ParseInt(literal, 10, 64)
 			if err != nil {
 				return nil, p.parseFailure(&p.tokens[p.current], "expected an integer")
 			}
@@ -297,7 +297,7 @@ func (p *JSONPath) parseSliceSelector() (*slice, error) {
 	return &slice{start: start, end: end, step: step}, nil
 }
 
-func (p *JSONPath) checkSafeInteger(i int, literal string) error {
+func (p *JSONPath) checkSafeInteger(i int64, literal string) error {
 	if i > MaxSafeFloat || i < -MaxSafeFloat {
 		return p.parseFailure(&p.tokens[p.current], "outside bounds for safe integers")
 	}

pkg/jsonpath/selector.go

@@ -17,15 +17,15 @@ const (
 )
 
 type slice struct {
-	start *int
-	end   *int
-	step  *int
+	start *int64
+	end   *int64
+	step  *int64
 }
 
 type selector struct {
 	kind   selectorSubKind
 	name   string
-	index  int
+	index  int64
 	slice  *slice
 	filter *filterSelector
 }
@@ -36,24 +36,24 @@ func (s selector) ToString() string {
 		return "'" + escapeString(s.name) + "'"
 	case selectorSubKindArrayIndex:
 		// int to string
-		return strconv.Itoa(s.index)
+		return strconv.FormatInt(s.index, 10)
 	case selectorSubKindFilter:
 		return "?" + s.filter.ToString()
 	case selectorSubKindWildcard:
 		return "*"
 	case selectorSubKindArraySlice:
 		builder := strings.Builder{}
 		if s.slice.start != nil {
-			builder.WriteString(strconv.Itoa(*s.slice.start))
+			builder.WriteString(strconv.FormatInt(*s.slice.start, 10))
 		}
 		builder.WriteString(":")
 		if s.slice.end != nil {
-			builder.WriteString(strconv.Itoa(*s.slice.end))
+			builder.WriteString(strconv.FormatInt(*s.slice.end, 10))
 		}
 
 		if s.slice.step != nil {
 			builder.WriteString(":")
-			builder.WriteString(strconv.Itoa(*s.slice.step))
+			builder.WriteString(strconv.FormatInt(*s.slice.step, 10))
 		}
 		return builder.String()
 	default:

pkg/jsonpath/yaml_query.go

@@ -132,12 +132,12 @@ func (s selector) Query(value *yaml.Node, root *yaml.Node) []*yaml.Node {
 			return nil
 		}
 		// if out of bounds, return nothing
-		if s.index >= len(value.Content) || s.index < -len(value.Content) {
+		if s.index >= int64(len(value.Content)) || s.index < -int64(len(value.Content)) {
 			return nil
 		}
 		// if index is negative, go backwards
 		if s.index < 0 {
-			return []*yaml.Node{value.Content[len(value.Content)+s.index]}
+			return []*yaml.Node{value.Content[int64(len(value.Content))+s.index]}
 		}
 		return []*yaml.Node{value.Content[s.index]}
 	case selectorSubKindWildcard:
@@ -160,7 +160,7 @@ func (s selector) Query(value *yaml.Node, root *yaml.Node) []*yaml.Node {
 		if len(value.Content) == 0 {
 			return nil
 		}
-		step := 1
+		step := int64(1)
 		if s.slice.step != nil {
 			step = *s.slice.step
 		}
@@ -169,7 +169,7 @@ func (s selector) Query(value *yaml.Node, root *yaml.Node) []*yaml.Node {
 		}
 
 		start, end := s.slice.start, s.slice.end
-		lower, upper := bounds(start, end, step, len(value.Content))
+		lower, upper := bounds(start, end, step, int64(len(value.Content)))
 
 		var result []*yaml.Node
 		if step > 0 {
@@ -204,15 +204,15 @@ func (s selector) Query(value *yaml.Node, root *yaml.Node) []*yaml.Node {
 	return nil
 }
 
-func normalize(i, length int) int {
+func normalize(i, length int64) int64 {
 	if i >= 0 {
 		return i
 	}
 	return length + i
 }
 
-func bounds(start, end *int, step, length int) (int, int) {
-	var nStart, nEnd int
+func bounds(start, end *int64, step, length int64) (int64, int64) {
+	var nStart, nEnd int64
 	if start != nil {
 		nStart = normalize(*start, length)
 	} else if step > 0 {
@@ -228,7 +228,7 @@ func bounds(start, end *int, step, length int) (int, int) {
 		nEnd = -1
 	}
 
-	var lower, upper int
+	var lower, upper int64
 	if step >= 0 {
 		lower = max(min(nStart, length), 0)
 		upper = min(max(nEnd, 0), length)